Characteristics of lip-mouth region in smiling position from 80 persons with acceptable faces and individual normal occlusions.
- Author:
Jiangheng ZHANG
1
;
Yangxi CHEN
;
Xiukun ZHOU
Author Information
- Publication Type:Journal Article
- MeSH: Adolescent; Adult; Anthropometry; Dental Occlusion; Female; Humans; Lip; anatomy & histology; Male; Mouth; anatomy & histology; Smiling; Tooth; anatomy & histology
- From: Chinese Medical Sciences Journal 2002;17(3):189-192
- CountryChina
- Language:English
-
Abstract:
OBJECTIVEThe characteristics of lip-mouth region including the soft and hard tissues in smiling position with frontal fixed position photographic computer-aided analysis were studied.
METHODSThe subjects were 80 persons (40 male and 40 females, age range: 17 to approximately 25 years) with acceptable faces and individual normal occlusions. The subjects were asked to take maximum smiling position to accept photographic measurement with computer-aided analysis.
RESULTSThe maximum smile line could be divided into 3 categories: low smile line (16.25%), average smile line (68.75%), and high smile line (15%).
CONCLUSIONThe method adopting maximum smiling position to study the lip-month region is reproducible and comparable. This study would be helpful to provide a quantitative reference for clinical investigation, diagnosis, treatment and efficacy appraisal.
